Pentair 110.000, Instruction Manual

Page: 27 / 54

HAFFMANS ICC
Page 26 of 49 ICC
7.3.4 Calculating CO2 with air correction
The standard formula has been adjusted for air correction:
   
 






 


















    
273.15 C T
D
C
headspace
air
atm atm 2
e
V
V
p p bar p A % CO
by weight
where : A = conversion factor/compensation factor,
p = gas equilibrium pressure,
patm = atmospheric pressure in bar,
Vair = air volume in ml read on the IAM,
Vheadspace = headspace volume of the bottle or can in ml as
determined by weighing or with a template,
C
= product-dependent factor
(-10,74)
,
D = product-dependent factor (
2617,25)
,
T = liquid temperature measured in  C.
The CO2 value read should be corrected as follows:
 
 






 

   
15 . 273 C
2 2
read % actual
T
D
C
headspace
air
atm
e
V
V
p CO weight by CO